Open ear hearing aid



FIG. 1 is a perspective view of our new design for an open ear hearing aid;

FIG. 2 is a right side elevational view thereof; the left side, top and bottom elevational views thereof being identical to said right side elevational view;

FIG. 3 is a front elevational view thereof; and,

FIG. 4 is a rear elevational view thereof. 

CLAIM We claim the ornamental design for an open ear hearing aid, as shown and described. 